NetBeans 8 contains a number of Java 8 and Java EE enhancements, as well as HTML5 support. NetBeans users rejoice!
Java 8 might be difficult for enterprise projects to adopt, mostly because of established Java EE application servers. Those using Tomcat and Jetty will likely have an edge in upgrading. Spring 4.0.3 was recently released, with official support for Java 8 as well as many WebSocket improvements.